Finding the Third Proportional to 622,934 and 978,671

Step by Step Solution

1. Step 1: Write the proportion equation
   622,934 : 978,671 = 978,671 : x
2. Step 2: Convert to fraction form
   622,934/978,671 = 978,671/x
3. Step 3: Cross multiply
   622,934x = 978,671 × 978,671
4. Step 4: Simplify right side
   622,934x = 957,796,926,241
5. Step 5: Solve for x
   x = 957,796,926,241/622,934
6. Step 6: Final answer
   x = 1,537,557.63